A276153 - cp's OEIS frontend

A276153 The most significant digit when n is written in primorial base (A049345).

n	a(n)
0	0
1	1
2	1
3	1
4	2
5	2
6	1
7	1
8	1
9	1
10	1
11	1
12	2
13	2
14	2
15	2
16	2
17	2
18	3
19	3
20	3
21	3
22	3
23	3
24	4
25	4
26	4
27	4
28	4
29	4
30	1
31	1
32	1
33	1
34	1
35	1
36	1
37	1
38	1
39	1
40	1
41	1
42	1
43	1
44	1
45	1
46	1
47	1
48	1
49	1
50	1
51	1
52	1
53	1
54	1
55	1
56	1
57	1
58	1
59	1
60	2
61	2
62	2
63	2
64	2
65	2
66	2
67	2
68	2
69	2
70	2
71	2
72	2
73	2
74	2
75	2
76	2
77	2
78	2
79	2
80	2
81	2
82	2
83	2
84	2
85	2
86	2
87	2
88	2
89	2
90	3
91	3
92	3
93	3
94	3
95	3
96	3
97	3
98	3
99	3
100	3
101	3
102	3
103	3
104	3
105	3
106	3
107	3
108	3
109	3
110	3
111	3
112	3
113	3
114	3
115	3
116	3
117	3
118	3
119	3
120	4

[0, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4]

cp's OEIS Frontend

A276153 The most significant digit when n is written in primorial base (A049345).

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	1
4	2
5	2
6	1
7	1
8	1
9	1
10	1
11	1
12	2
13	2
14	2
15	2
16	2
17	2
18	3
19	3
20	3
21	3
22	3
23	3
24	4
25	4
26	4
27	4
28	4
29	4
30	1
31	1
32	1
33	1
34	1
35	1
36	1
37	1
38	1
39	1
40	1
41	1
42	1
43	1
44	1
45	1
46	1
47	1
48	1
49	1
50	1
51	1
52	1
53	1
54	1
55	1
56	1
57	1
58	1
59	1
60	2
61	2
62	2
63	2
64	2
65	2
66	2
67	2
68	2
69	2
70	2
71	2
72	2
73	2
74	2
75	2
76	2
77	2
78	2
79	2
80	2
81	2
82	2
83	2
84	2
85	2
86	2
87	2
88	2
89	2
90	3
91	3
92	3
93	3
94	3
95	3
96	3
97	3
98	3
99	3
100	3
101	3
102	3
103	3
104	3
105	3
106	3
107	3
108	3
109	3
110	3
111	3
112	3
113	3
114	3
115	3
116	3
117	3
118	3
119	3
120	4

n	a(n)
0	0
1	1
2	1
3	1
4	2
5	2
6	1
7	1
8	1
9	1
10	1
11	1
12	2
13	2
14	2
15	2
16	2
17	2
18	3
19	3
20	3
21	3
22	3
23	3
24	4
25	4
26	4
27	4
28	4
29	4
30	1
31	1
32	1
33	1
34	1
35	1
36	1
37	1
38	1
39	1
40	1
41	1
42	1
43	1
44	1
45	1
46	1
47	1
48	1
49	1
50	1
51	1
52	1
53	1
54	1
55	1
56	1
57	1
58	1
59	1
60	2
61	2
62	2
63	2
64	2
65	2
66	2
67	2
68	2
69	2
70	2
71	2
72	2
73	2
74	2
75	2
76	2
77	2
78	2
79	2
80	2
81	2
82	2
83	2
84	2
85	2
86	2
87	2
88	2
89	2
90	3
91	3
92	3
93	3
94	3
95	3
96	3
97	3
98	3
99	3
100	3
101	3
102	3
103	3
104	3
105	3
106	3
107	3
108	3
109	3
110	3
111	3
112	3
113	3
114	3
115	3
116	3
117	3
118	3
119	3
120	4

n	a(n)
0	0
1	1
2	1
3	1
4	2
5	2
6	1
7	1
8	1
9	1
10	1
11	1
12	2
13	2
14	2
15	2
16	2
17	2
18	3
19	3
20	3
21	3
22	3
23	3
24	4
25	4
26	4
27	4
28	4
29	4
30	1
31	1
32	1
33	1
34	1
35	1
36	1
37	1
38	1
39	1
40	1
41	1
42	1
43	1
44	1
45	1
46	1
47	1
48	1
49	1
50	1
51	1
52	1
53	1
54	1
55	1
56	1
57	1
58	1
59	1
60	2
61	2
62	2
63	2
64	2
65	2
66	2
67	2
68	2
69	2
70	2
71	2
72	2
73	2
74	2
75	2
76	2
77	2
78	2
79	2
80	2
81	2
82	2
83	2
84	2
85	2
86	2
87	2
88	2
89	2
90	3
91	3
92	3
93	3
94	3
95	3
96	3
97	3
98	3
99	3
100	3
101	3
102	3
103	3
104	3
105	3
106	3
107	3
108	3
109	3
110	3
111	3
112	3
113	3
114	3
115	3
116	3
117	3
118	3
119	3
120	4